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x86: Add bindings for NHLT

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Add devicetree bindings for the Intel Non-High-Definition-Audio Link Table
(NHLT).

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2020-07-07 21:32:13 -06:00 committed by Bin Meng
parent dba7ee419d
commit 70303d2480
1 changed files with 24 additions and 0 deletions
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24
include/dt-bindings/sound/nhlt.h Normal file
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright 2019 Google LLC
*/
#ifndef _DT_BINDINGS_SOUND_NHLT_H
#define _DT_BINDINGS_SOUND_NHLT_H
/* See Table 2-1. NHLT Endpoint Descriptor in the NHLT Specification (0.8.1) */
#define NHLT_VID 0x8086
#define NHLT_DID_DMIC 0xae20
#define NHLT_DID_BT 0xae30
#define NHLT_DID_SSP 0xae34
/* Hardware links available to use for codecs */
#define AUDIO_LINK_SSP0 0
#define AUDIO_LINK_SSP1 1
#define AUDIO_LINK_SSP2 2
#define AUDIO_LINK_SSP3 3
#define AUDIO_LINK_SSP4 4
#define AUDIO_LINK_SSP5 5
#define AUDIO_LINK_DMIC 6
#endif /* _DT_BINDINGS_SOUND_NHLT_H */